Connect remote control -V.A.G 1348/3A- for V.A.G 1348 to contact -1- using adapter cable -V.A.G 1348/3-3- and test lead from auxiliary measuring set -V.A.G 1594C-.
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Tape off 2nd connector contact of adapter cable -V.A.G 1348/3-3- with insulating tape -arrow- to prevent short circuits.
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Connect contact -5- to vehicle body (earth) using a test lead from auxiliary measuring set -V.A.G 1594C-.
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Move switch of remote control -V.A.G 1348/3A- for V.A.G 1348 to front of engine compartment.
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Remove seal -arrow-.
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Unclip entire plenum chamber cover (depending on equipment version) or single component -2- and detach.
Note
Disregard -items 1, 3-.
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Release retainer -arrow A- and open cover -arrow B-.
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Connect crocodile clip to jump start socket -U6--item A- in terminal 30 wiring junction 2 -TV22- located in plenum chamber.
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Press remote control switch.
l
Fuel system pressurisation pump -G6- should start running audibly.
Note
The fuel pump runs very quietly. Where possible, avoid noisy surroundings when testing the fuel pump.
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If no noise can be heard from pump, remove fuel delivery unit → Chapter.
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Check that wiring between flange and fuel pump is connected and test for continuity.
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Renew fuel delivery unit if no wiring fault is detected.